handy func to write content to internal storage file - useful to print logs, when it gets truncated by logcat!

writetofile.kt

 private fun writeToFile(data: String, context: Context) {
        try {
            val outputStreamWriter = OutputStreamWriter(context.openFileOutput("config.txt", Context.MODE_PRIVATE))
            outputStreamWriter.write(data)
            outputStreamWriter.close()
        } catch (e: IOException) {
            showELog("File write failed: $e")
        }
    }